Sabiana WM-UH-ECM Instrucciones De Uso página 26

English
LED SIGNALLING TABLE
LED1
ON Blink
RX485 Ko OK
T1
T3
CF
CA
NB = 4+2 = 4 sec steady + 2 flashing
OK = working
Ko = not working
open = open contact
SERIAL CONNECTION
» Signal serial connection 0-10 V
The WM-UH-ECM control panel is designed to
manage up to 12 units without any problem in
the transmission of the 0-10 V signal.
WM-UH-ECM
+
M Fan
N N N L
0 T3 T1
0
LED2
OFF OFF ON
OK OK
OK OK Ko
UNIT 1
POWER
INPUT
0-10 V
Blink 4+2
Ko Ko
Ko
A 2 kOhm resistor (5 mA at 10 V) must be
mounted on the termination of the signal wir-
ing of the last unit heater
UNIT 2
POWER
INPUT
0-10 V
26
LED3
OFF ON Blink
OK open
OK open
TERMINATOR
(5 mA at 10 V)
Max 12
UNIT
4+2
open
open
HEATER
2 KΩ